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Patent:US861861


Patent:US 861861
Title:Ellipsograph
Date:30.07.1907
Place:
Country:USA
Person:J. T. Kelly
Company:
Internal Links:Ellipsograph
Keywords:
Link to the patent office:
(without guarantee)
 US861861 (espacenet),  US861861 (uspto)


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Aus der Patentschrift US861861